Plate XXI, caa, anterior division of anterior commissure; cat, temporal 

 division of anterior commissure; cau, caudate nucleus; cb, bed of 

 anterior commissure; cc, corpus callosum; ce, external capsule; cf, 

 column of fornix; chv, ventral or principal hippocampal commissure; 

 cin, internal capsule; cla, claustrum; en, cingulum; era, corona 

 radiata; db, diagonal band of Broca; fbl, lateral division of medial 

 forebrain bundle (olfacto-hypothalamic fibres, stria medullaris, etc.); 

 fbm, medial division of medial forebrain bundle (olfacto-hypothalamic 

 tract, etc.); fe, endorhinal groove; fim, fimbria; fos, fornix superior; 

 frh, rhinal fissure; gp, globus pallidus; in, indusium griseum; nc, 

 neocortex; op, optic nerve; pu, putamen; pyc, pyriform cortex 

 (lateral olfactory gyrus); sb, bed of stria terminalis; st, stria termin- 

 alis; to, tuberculum olfactorium; tol, lateral olfactory tract; vl, 

 lateral ventricle. 



